<?php 
$title = $_GET['title'];
$price = $_GET['price'];
?>
<html>
<form action="modify.handle.php?origin_title=<?php echo $title;?>" method="post">
	<p>title:</p><input type="text" name="title" value=<?php echo $title;?>>
	<p>price:</p><input type="text" name="price" value=<?php echo $price;?>>
	<input type="submit">
</form>
</html>